{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950591,-0.310446,0.000000,0.000000,0.173667,-0.531771,0.828890,0.000000,-0.256783,0.786274,0.561993,0.000000,-1639530.460267,5020271.467224,3564243.039635,1],    "boundingVolume": {    "region": [1.886410,0.596744,1.886507,0.596843,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395558.b3dm"}}}